xref: /llvm-project/llvm/test/DebugInfo/Generic/inheritance.ll (revision 5a288fa32e0c91b211e39f3e370255916902f898)
1; RUN: llc %s -o /dev/null
2; PR 2613.
3
4%struct.__class_type_info_pseudo = type { %struct.__type_info_pseudo }
5%struct.__type_info_pseudo = type { ptr, ptr }
6%struct.test1 = type { ptr }
7
8@_ZTV5test1 = weak_odr constant [4 x ptr] [ptr null, ptr @_ZTI5test1, ptr @_ZN5test1D1Ev, ptr @_ZN5test1D0Ev], align 32 ; <ptr> [#uses=1]
9@_ZTI5test1 = weak_odr constant %struct.__class_type_info_pseudo { %struct.__type_info_pseudo { ptr getelementptr (i8, ptr @_ZTVN10__cxxabiv117__class_type_infoE, i64 16), ptr @_ZTS5test1 } }, align 16 ; <ptr> [#uses=1]
10@_ZTVN10__cxxabiv117__class_type_infoE = external constant [0 x ptr] ; <ptr> [#uses=1]
11@_ZTS5test1 = weak_odr constant [7 x i8] c"5test1\00" ; <ptr> [#uses=2]
12
13define i32 @main() nounwind ssp {
14entry:
15  %retval = alloca i32                            ; <ptr> [#uses=2]
16  %0 = alloca i32                                 ; <ptr> [#uses=2]
17  %tst = alloca %struct.test1                     ; <ptr> [#uses=1]
18  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
19  call void @llvm.dbg.declare(metadata ptr %tst, metadata !0, metadata !DIExpression()), !dbg !21
20  call void @_ZN5test1C1Ev(ptr %tst) nounwind, !dbg !22
21  store i32 0, ptr %0, align 4, !dbg !23
22  %1 = load i32, ptr %0, align 4, !dbg !23            ; <i32> [#uses=1]
23  store i32 %1, ptr %retval, align 4, !dbg !23
24  br label %return, !dbg !23
25
26return:                                           ; preds = %entry
27  %retval1 = load i32, ptr %retval, !dbg !23          ; <i32> [#uses=1]
28  ret i32 %retval1, !dbg !23
29}
30
31define linkonce_odr void @_ZN5test1C1Ev(ptr %this) nounwind ssp align 2 {
32entry:
33  %this_addr = alloca ptr              ; <ptr> [#uses=2]
34  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
35  call void @llvm.dbg.declare(metadata ptr %this_addr, metadata !24, metadata !DIExpression()), !dbg !28
36  store ptr %this, ptr %this_addr
37  %0 = load ptr, ptr %this_addr, align 8, !dbg !28 ; <ptr> [#uses=1]
38  store ptr getelementptr inbounds ([4 x ptr], ptr @_ZTV5test1, i64 0, i64 2), ptr %0, align 8, !dbg !28
39  br label %return, !dbg !28
40
41return:                                           ; preds = %entry
42  ret void, !dbg !29
43}
44
45declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
46
47define linkonce_odr void @_ZN5test1D1Ev(ptr %this) nounwind ssp align 2 {
48entry:
49  %this_addr = alloca ptr              ; <ptr> [#uses=3]
50  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
51  call void @llvm.dbg.declare(metadata ptr %this_addr, metadata !32, metadata !DIExpression()), !dbg !34
52  store ptr %this, ptr %this_addr
53  %0 = load ptr, ptr %this_addr, align 8, !dbg !35 ; <ptr> [#uses=1]
54  store ptr getelementptr inbounds ([4 x ptr], ptr @_ZTV5test1, i64 0, i64 2), ptr %0, align 8, !dbg !35
55  br label %bb, !dbg !37
56
57bb:                                               ; preds = %entry
58  %1 = trunc i32 0 to i8, !dbg !37                ; <i8> [#uses=1]
59  %toBool = icmp ne i8 %1, 0, !dbg !37            ; <i1> [#uses=1]
60  br i1 %toBool, label %bb1, label %bb2, !dbg !37
61
62bb1:                                              ; preds = %bb
63  %2 = load ptr, ptr %this_addr, align 8, !dbg !37 ; <ptr> [#uses=1]
64  call void @_ZdlPv(ptr %2) nounwind, !dbg !37
65  br label %bb2, !dbg !37
66
67bb2:                                              ; preds = %bb1, %bb
68  br label %return, !dbg !37
69
70return:                                           ; preds = %bb2
71  ret void, !dbg !37
72}
73
74define linkonce_odr void @_ZN5test1D0Ev(ptr %this) nounwind ssp align 2 {
75entry:
76  %this_addr = alloca ptr              ; <ptr> [#uses=3]
77  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
78  call void @llvm.dbg.declare(metadata ptr %this_addr, metadata !38, metadata !DIExpression()), !dbg !40
79  store ptr %this, ptr %this_addr
80  %0 = load ptr, ptr %this_addr, align 8, !dbg !41 ; <ptr> [#uses=1]
81  store ptr getelementptr inbounds ([4 x ptr], ptr @_ZTV5test1, i64 0, i64 2), ptr %0, align 8, !dbg !41
82  br label %bb, !dbg !43
83
84bb:                                               ; preds = %entry
85  %1 = trunc i32 1 to i8, !dbg !43                ; <i8> [#uses=1]
86  %toBool = icmp ne i8 %1, 0, !dbg !43            ; <i1> [#uses=1]
87  br i1 %toBool, label %bb1, label %bb2, !dbg !43
88
89bb1:                                              ; preds = %bb
90  %2 = load ptr, ptr %this_addr, align 8, !dbg !43 ; <ptr> [#uses=1]
91  call void @_ZdlPv(ptr %2) nounwind, !dbg !43
92  br label %bb2, !dbg !43
93
94bb2:                                              ; preds = %bb1, %bb
95  br label %return, !dbg !43
96
97return:                                           ; preds = %bb2
98  ret void, !dbg !43
99}
100
101declare void @_ZdlPv(ptr) nounwind
102
103!llvm.dbg.cu = !{!4}
104!0 = !DILocalVariable(name: "tst", line: 13, scope: !1, file: !4, type: !8)
105!1 = distinct !DILexicalBlock(line: 0, column: 0, file: !44, scope: !2)
106!2 = distinct !DILexicalBlock(line: 0, column: 0, file: !44, scope: !3)
107!3 = distinct !DISubprogram(name: "main", linkageName: "main", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !4, scope: !4, type: !5)
108!4 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, emissionKind: FullDebug, file: !44, enums: !45, retainedTypes: !45)
109!5 = !DISubroutineType(types: !6)
110!6 = !{!7}
111!7 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
112!8 = !DICompositeType(tag: DW_TAG_structure_type, name: "test1", line: 1, size: 64, align: 64, file: !44, scope: !4, elements: !9, vtableHolder: !8)
113!9 = !{!10, !14, !18}
114!10 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$test1", line: 1, size: 64, align: 64, file: !44, scope: !8, baseType: !11)
115!11 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !4, baseType: !12)
116!12 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "__vtbl_ptr_type", scope: !4, baseType: !5)
117!13 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: false, emissionKind: FullDebug, file: !46, enums: !45, retainedTypes: !45)
118!14 = !DISubprogram(name: "test1", line: 1, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrivate, isOptimized: false, scope: !8, type: !15)
119!15 = !DISubroutineType(types: !16)
120!16 = !{null, !17}
121!17 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial, file: !4, baseType: !8)
122!18 = !DISubprogram(name: "~test1", line: 4, isLocal: false, isDefinition: false, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 6, isOptimized: false, scope: !8, type: !19, containingType: !8)
123!19 = !DISubroutineType(types: !20)
124!20 = !{null, !17, !7}
125!21 = !DILocation(line: 11, scope: !1)
126!22 = !DILocation(line: 13, scope: !1)
127!23 = !DILocation(line: 14, scope: !1)
128!24 = !DILocalVariable(name: "this", line: 13, arg: 1, scope: !25, file: !4, type: !26)
129!25 = distinct !DISubprogram(name: "test1", linkageName: "_ZN5test1C1Ev", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !4, scope: !4, type: !15)
130!26 = !DIDerivedType(tag: DW_TAG_const_type, size: 64, align: 64, flags: DIFlagArtificial, file: !4, baseType: !27)
131!27 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !4, baseType: !8)
132!28 = !DILocation(line: 1, scope: !25)
133!29 = !DILocation(line: 1, scope: !30)
134!30 = distinct !DILexicalBlock(line: 0, column: 0, file: !44, scope: !31)
135!31 = distinct !DILexicalBlock(line: 0, column: 0, file: !44, scope: !25)
136!32 = !DILocalVariable(name: "this", line: 4, arg: 1, scope: !33, file: !4, type: !26)
137!33 = distinct !DISubprogram(name: "~test1", linkageName: "_ZN5test1D1Ev", line: 4, isLocal: false, isDefinition: true, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 6, isOptimized: false, unit: !4, scope: !8, type: !15, containingType: !8)
138!34 = !DILocation(line: 4, scope: !33)
139!35 = !DILocation(line: 5, scope: !36)
140!36 = distinct !DILexicalBlock(line: 0, column: 0, file: !44, scope: !33)
141!37 = !DILocation(line: 6, scope: !36)
142!38 = !DILocalVariable(name: "this", line: 4, arg: 1, scope: !39, file: !4, type: !26)
143!39 = distinct !DISubprogram(name: "~test1", linkageName: "_ZN5test1D0Ev", line: 4, isLocal: false, isDefinition: true, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 6, isOptimized: false, unit: !4, scope: !8, type: !15, containingType: !8)
144!40 = !DILocation(line: 4, scope: !39)
145!41 = !DILocation(line: 5, scope: !42)
146!42 = distinct !DILexicalBlock(line: 0, column: 0, file: !44, scope: !39)
147!43 = !DILocation(line: 6, scope: !42)
148!44 = !DIFile(filename: "inheritance.cpp", directory: "/tmp/")
149!45 = !{i32 0}
150!46 = !DIFile(filename: "<built-in>", directory: "/tmp/")
151